1) What numbers are missing from the boxes? a) 10, 9 b) 11, 14 c) 13, 17 d) 8, 12 2) What numbers are missing from the boxes? a) 4, 12 b) 6, 18 c) 10, 12 d) 5, 9 3) What numbers are missing from the boxes? a) 8, 17 b) 10, 16 c) 19, 23 d) 5, 37 4) Estimate: 37 + 42=? a) 40 + 50 = 90 b) 40 + 40 = 80 c) 30 + 50 = 80 5) Estimate: 483 + 92 = ? a) 480 + 90 = 570 b) 500 + 90 = 590 c) 400 + 90 = 490 6) Estimate: 92 - 39 = ? a) 80 - 30 = 50 b) 90 - 40 = 50 c) 90 - 30 = 60 7) Estimate: 903 - 81 = ? a) 1,000 - 100 = 900 b) 900 - 80 = 820 c) 900 - 90 = 810 8) Write the turn around fact for 3 x 10: a) 10 x 3 = 30 b) 3 x 3 = 9 9) Write the multiplication fact that matches this array. a) 3 x 6 = 18 b) 4 x 5 = 20 c) 5 x 3 = 15 10) Draw an array for this multiplication fact: 6 x 4 = ? a) 6 rows of 4 = 24 b) 6 rows of 4 = 20 c) 6 rows of 4 = 28 11) Draw an array for this multiplication fact: 3 x 8 = ? a) 3 rows of 8 = 24 b) 3 rows of 8 = 18 c) 3 rows of 8 = 21 12) Which fact is a square fact? a) 3 x 5 = 15 b) 2 x 10 = 20 c) 6 x 6 = 36 13) Answer the last 2 questions on your paper! a) Okay! b) Sounds good to me!

Study guide

印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?