How to do a Math Brain Tricks?

Ask them to pick a number in their mind from 0 to 9.

[{"selector":"#anim-af029fc0-e870-4393-a5ef-0c7e97f588ed","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d3b6bafb-257e-44a7-b1eb-55adc64c3293","keyframes":{"transform":["translate3d(0px, -153.02764%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Tell them to double the number. ( 2+2=4 ).

[{"selector":"#anim-db007631-6e50-4b6e-91b2-420b2f3892af","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-855add6c-4d60-49c9-a88b-bc544b29b5ca","keyframes":{"transform":["translate3d(0px, -153.02764%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Tell them to add five to the new number. ( 4+5=9 ).

[{"selector":"#anim-0c17b000-5836-4e62-a790-e8ef5b24ee02","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f020f7b5-c449-4d5f-8561-a9bdd15dec7c","keyframes":{"transform":["translate3d(0px, -154.08583%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Tell them to multiply the answer by five. ( 9*5=45 )..

[{"selector":"#anim-89ae0019-d962-4e99-a22b-7f8cc0a071ea","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1b4ce526-88ed-4451-a961-25ffdd5fb96f","keyframes":{"transform":["translate3d(0px, -151.44033%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Now tell them to remember the answer. ( 45 ).

[{"selector":"#anim-2b5cde51-85e9-4de3-a9d7-2d9fab483c63","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0c2cbc7d-91b0-49fc-804d-a3cb75f9ed3b","keyframes":{"transform":["translate3d(0px, -151.44033%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Ask them to pick another number from 0 to 9. ( in this case 4 )

[{"selector":"#anim-4b77a6fe-2cbb-485c-b863-c11a9e5ab487","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8307af8a-632a-423c-a95b-0f8ae11b4052","keyframes":{"transform":["translate3d(0px, -151.44033%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Ask them to add this number to their answer. ( 45+4=49 ).

[{"selector":"#anim-55c651de-de65-4bf1-a4c4-001ed6cbad88","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9893866b-a448-42c2-af55-158ab8629a98","keyframes":{"transform":["translate3d(0px, -151.44033%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

Listen to it carefully and then in your mind subtract 25 from the total. ( 49-25=24).

[{"selector":"#anim-49ba7fe8-ad2b-4026-a7e5-4aea5ffc582b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-486e9a62-b8fa-43b8-a3ed-850eedd35b95","keyframes":{"transform":["translate3d(0px, -122.98082%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

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